22
P5417053-rev.1
$XWRPDWLF&HDWLQJ0RGH
Function
$XWRPDWLF&HDWLQJ0RGHDXWRPDWLFDOO\
switches cooling and heating based on the set
temperature.
The cooling operation is performed when the inlet
air temperature is approximately 5.4
o
)
o
C) higher
than set temperature.
The heating operation is performed when the inlet
air temperature is approximately 5.4
o
)
o
C) lower
than set temperature.
NOTE
Ɣ ,IWKHIDQVSHHGLVVHWWR³/2:´GXULQJWKH
heating operation, the operation tends to be
stopped by activation of the protection devices,
etc. In this case, set the fan speed to “MED”,
“HIGH” or “HIGH 2”.
Ɣ 7KHKHDWLQJRSHUDWLRQLVQRWDYDLODEOHZKHQ
the ambient temperature is higher than
approximately 70
o
)
o
C).
7KHDXWRPDWLFFRROLQJKHDWLQJRSHUDWLRQLVVHWE\WKHIXQFWLRQVHOHFWLRQ&RQWDFW\RXUGLVWULEXWRU
and contractor for details.
$XWRPDWLF&HDWLQJ0RGHLVIRU95)V\VWHPRQO\DQGLVQRWDYDLODEOHIRURWKHUV\VWHPV$OVR
note that there is quite temperature difference between cooling and heating operation when using this
function.
Before
Operation
Turn ON the power supply.
Apply power to unit(s) for approximately 12 hours before operation in order to preheat the
compressor.
'RQRWWXUQ2))WKHPDLQSRZHURIWKHLQGRRUXQLWGXULQJVHDVRQRIKHDWLQJRUFRROLQJ
1
Press and hold “Mode” switch for more than 3
seconds. The indication “
´DXWRPDWLFFRROLQJ
heating operation) will appear.
When “Mode” switch is pressed at “ ”, the fan
operation is started.
Displayed settings remain
illuminated for 10 seconds after
the unit operation is stopped
before going dark.
Indicators for temperature
setting, fans speed, and
DLUÀRZDQJOHDUHGLVSOD\HG
